Last updated: November 2016
When composing emails, automatic language detection is not working in the new editor for Outlook 2016 for Mac (versions 15.20 and later).
We’ve recently released the fix for this feature in our latest update version 15.28.0 (Build 16111501) released on 11/15.
Use Help > Check for Updates from any of the Office 2016 apps to get the latest build.
If for some reason you can’t update via Help, you can manually download and install the new build from this article.
Please note that enabling this feature in version 15.28 has a different workflow from the previous mail editor (versions 15.19 or earlier). To enable automatic language detection, please refer to this article: Let Outlook 2016 for Mac automatically detect and spell check languages in your emails.
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